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Inertia is the tendency of an object at rest to remain at rest. The person being tackled, if he is stationary then tries to move out of the way but is unable to, would be demonstrating the principle of inertia. The person doing the tackling would be demonstrating the principle of momentum - the tendency of an object in motion to remain in motion and following the same vector.

A simpler example of inertia would be trying to move a boulder that is sitting in your yard. The boulder is very heavy, and at rest, and trying to get it moving is very difficult because of the inertia.

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Examples of inertia of rest and inertia of motion?

Inertia of rest is the tendency of an object to remain at rest when no external force is acting on it, like a book staying on a table. Inertia of motion is the tendency of an object in motion to remain in motion at a constant velocity in a straight line, like a car continuing to move forward once the brakes are released.


What is an example of a block and tackle pulley?

A block and tackle pulley system consists of one fixed pulley and one moving pulley working together to lift heavy loads with less effort. For example, a flagpole typically uses a block and tackle pulley system to raise and lower the flag.


What is the Block and tackle formula?

The mechanical advantage of a block and tackle system is calculated by counting the number of ropes supporting the weight being lifted. The formula for mechanical advantage in a block and tackle system is equal to the number of ropes supporting the load. For example, if a block and tackle system has 4 ropes supporting the load, then the mechanical advantage is 4. This means that the system can lift a load 4 times heavier than the input force applied.


Example of block and tackle pulley?

A block and tackle pulley system consists of multiple pulleys connected together to provide mechanical advantage for lifting heavy loads. It typically includes a fixed pulley (block) attached to a support and a movable pulley (tackle) attached to the load. By pulling the rope in the system, the force required to lift the load is reduced due to the multiple pulleys distributing the weight.


Is a block and tackle an example of a rotational force transformer?

Yes, a block and tackle is an example of a rotational force transformer. It uses multiple pulleys to multiply the input force to lift heavy objects. The rotational force applied to the pulleys transforms into a greater vertical force to lift the load.